54894945490 has 48 divisors (see below), whose sum is σ = 125392696704. Its totient is φ = 17110111200.

The previous prime is 54894945473. The next prime is 54894945493. The reversal of 54894945490 is 9454949845.

It is not an unprimeable number, because it can be changed into a prime (54894945493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5086906 + ... + 5097685.

It is an arithmetic number, because the mean of its divisors is an integer number (2612347848).

Almost surely, 2^54894945490 is an apocalyptic number.

54894945490 is an abundant number, since it is smaller than the sum of its proper divisors (70497751214).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54894945490 is a wasteful number, since it uses less digits than its factorization.

54894945490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10184623 (or 10184616 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 61.

The spelling of 54894945490 in words is "fifty-four billion, eight hundred ninety-four million, nine hundred forty-five thousand, four hundred ninety".